Electrical Heater

What about it. Do you want to make a heater controller (thermostat).

yes i want to create heater that can control heat. which is when it have it setting temperature it will mantain it. for an example when i heat it at 80 degree it will maintain it. can any1 help me.

Do you want to make an analog thermostat or a digital thermostat using a microcontroller. Is it meant for learning or is it for actual use.

For general outlines, you may take simple electrical heater.
Put a tempeature sensor which converts the temperature into voltage. Connect the comperator circuit which will compair this converted voltage with a reference voltage. This reference voltage will be taken from a potentiometer which will indicate the user (your,s) setting for desired temperature.
Connect a relay to comperator,s output.
So, the heater will get turn off as the voltage goes above the reference temperature.
Yoy may also connect display for temerature.
Refer the site www.electronics-lab.com
Pl. feel free for further assistance.

i just want to built it for my project. i want to make a simple heater that can control heat. if anyone have a circuit it will help too.
p/s:- i have found something similar in this domain but i not realy understand it circuit
this is anotheer person problem similarwith me -->https://www.edaboard.com/viewtopic.php?t=160339&start=0